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** SPL BATCH QUALITY CONTROL REPORT ** HOUSTON LABORATORY <br /> Modified 8015A*** 8880 INTERCHANGE DRIVE <br /> modo 'mR <br /> HOUSTON, TEXAS 77054 <br /> Matrix: Soil Batch Id: HP J971003062210 PHONE (713)660-0901 <br /> Units: mg/kg <br /> L A B O R A T O R Y C O N T R O L S A M P L E <br /> 5 P I K E Method Spike Blank Spike QC Limits(**) <br /> C O M P O U N D S Blank Result Added Result Recovery (Mandatory) <br /> <2> <3> <1> % % Recovery Range <br /> Gasoline Range Organics ND 1.0 0.77 77.0 53 - 137 <br /> ' M A T R I X S P I K E S <br /> S P I K E Sade Spike Matrix Spike Matrix Spike MS/MSD QC Limits(***) <br /> C O M P O U N D S Results Added Duplicate Relative % (Advisory) <br /> Result Recovery Result Recovery Difference RPO <br /> <2> <3> <1> <4> <1> <5> Max. Recovery Range <br /> GASOLINE RANGE ORGANICS NO 0.9 0.97 101 0.85 94.4 6.76 50 36 - 163 <br /> Analyst: LJ * = Values Outside OC Range. « = Data outside Method Specification limits. <br /> Sequence Date: 10/03/97 NC = Not Calculated (Sample exceeds spike by factor of 4 or more) <br /> SPL ID of sample spiked: 9710033-02A ND = Not Detected/Below Detection Limit <br /> Sample File ID: JJJ7095.TXO % Recovery = [( <1> - <2> ) / <3> 1 x 100 <br /> Method Blank File ID: LCS % Recovery = (<l> / <3> ) x 100 <br /> Blank Spike File ID: JJJ7089.TXO Relative Percent Difference = I(<4> - <5> 1 / [(<4> + <5> ) x 0.51 x 100 <br /> Matrix Spike File ID: JJJ7093.TXO (**} = Source: SPL-Houston Historical Data (1st Q.197) <br /> Matrix Spike Duplicate File ID: JJJ7094.TXO (***) = Source: SPL-Houston Historical Data(lst 0.197) <br /> SAMPLES IN BATCH SPL ID): 9710057-OIA 9710057-02A 9710057-03A 9710057-04A <br /> 9710033-09A 9710259-OIA 9710259-02A 9710259-04A <br /> 9710033-07A 9710033-02A 9710033-01A 9710033-05A <br /> 1 <br />